unproductive vs ineffective

unproductive and ineffective both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unproductive	No	Yes	No	No
ineffective	No	Yes	No	No

unproductive (adjective)	ineffective (adjective)
not producing or capable of producing	not producing an intended effect
not producing desired results	lacking in power or forcefulness
	lacking the ability or skill to perform effectively; inadequate